Table 3. Avian species from the Palearctic showing two or more deeply divergent haplogroups at COI and intraspecific variation higher than 1.5%.

Family	Species	Max. intraspecific distance (%)*
Phasianidae	Perdix perdix	1.7
	Phasianus colchicus	2.3
Rallidae	Rallus aquaticus	3.2
Scolopacidae	Limosa limosa	2.4
Alcidae	Uria lomvia	1.9
Columbidae	Streptopelia orientalis	2.4
Cuculidae	Cuculus canorus	3.2
Caprimulgidae	Caprimulgus europaeus	3.0
Picidae	Dendrocopos major	2.8
	Dendrocopos minor	1.6
Laniidae	Lanius collurio	2.8
	Lanius escubitor	3.9
Alaudidae	Alauda arvensis	8.7
Hirundinidae	Delichon dasypus	6.4
Corvidae	Perisoreus infaustus	2.1
	Garrulus glandarius	2.9
	Pica pica	3.9
	Corvus frugilegus	3.1
	Corvus corone	2.5
Paridae	Periparus ater	4.7
	Parus major	3.1
Cettidae	Urosphena squameiceps	2.2
	Cettia diphone	3.3
Siitidae	Sitta europaea	12.2
Certhiidae	Certhia familiaris	2.2
Troglodytidae	Troglodytes troglodytes	3.9
Regulidae	Regulus regulus	3.9
Phylloscopidae	Phylloscopus borealis	3.9
	Phylloscopus trochiloides	5.1
Silviidae	Sylvia curruca	5.8
Muscicapidae	Muscicapa sibirica	2.9
	Erithacus rubecula	5.0
	Luscinia megarhynchos	2.7
	Phoenicurus ochruros	4.5
	Phoenicurus phoenicurus	5.4
	Phoenicurus auroreus	2.4
	Saxicola maurus	8.1
Sturnidae	Sturnus vulgaris	2.0
Motacillidae	Motacilla flava	6.0
Emberizidae	Emberiza pusilla	2.0
Emberizidae	Emberiza spodocephala	3.6
Emberizidae	Emberiza pallasi	3.2
Fringillidae	Uragus sibiricus	1.8

*Distances were calculated using the K2P model (see Methods section).